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Today Hourly 7 days 30 days August
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August 2026 Weather | Great Falls, Montana

Today 8/12
Cloudy Weather
Day 75°
Night 54°
25
Thu 8/13
Sunny with a Chance of Thunderstorms
Day 66°
Night 48°
55
Fri 8/14
Cloudy Weather
Day 64°
Night 50°
25
Sat 8/15
Cloudy Weather
Day 77°
Night 55°
55
Sun 8/16
Cloudy Weather
Day 84°
Night 59°
8
Mon 8/17
Cloudy Weather
Day 86°
Night 57°
25
Tue 8/18
Cloudy Weather
Day 81°
Night 54°
25
Wed 8/19
Partly Sunny with Showers
Day 82°
Night 54°
60
Thu 8/20
Cloudy Weather
Day 79°
Night 54°
8
Fri 8/21
Cloudy Weather
Day 79°
Night 52°
18
Sat 8/22
Sunny Weather
Day 82°
Night 54°
1
Sun 8/23
Sunny Weather
Day 84°
Night 54°
0
Mon 8/24
Cloudy Weather
Day 86°
Night 54°
0
Tue 8/25
Cloudy Weather
Day 90°
Night 55°
20
Wed 8/26
Cloudy Weather
Day 84°
Night 55°
25
Thu 8/27
Sunny Weather
Day 79°
Night 54°
Fri 8/28
Sunny Weather
Day 82°
Night 54°
Sat 8/29
Cloudy Weather
Day 81°
Night 54°
Sun 8/30
Cloudy Weather
Day 79°
Night 54°
Mon 8/31
Cloudy Weather
Day 75°
Night 52°

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